Post Rate is a free Android application developed by Thailand Post Co. Ltd. that allows users to calculate various service fees quickly and conveniently. This app is designed to provide an easy-to-use solution for anyone who needs to estimate the cost of Thailand Post services.

The interface is user-friendly, and the app is lightweight, making it easy to use even on low-end devices. With Post Rate, users can calculate the fees for a variety of services, including EMS, registered mail, parcels, and more. The app also provides information on the weight limits and size restrictions for each service. Overall, Post Rate is a useful tool for anyone who regularly uses Thailand Post services and wants to avoid the hassle of manually calculating the fees.